<!doctype html>
<html lang="zh-CN">
<head>
    <title>图片上传</title>
    {% include 'admin/common/header.html' %}
</head>

<body class="pear-container">

<div class="layui-card">
    <div class="layui-card-body">
        <table id="tables" lay-filter="tables"></table>
    </div>
</div>


{% include 'admin/common/footer.html' %}
<script type="text/html" id="toolbar">
    <button class="pear-btn pear-btn-primary pear-btn-sm" lay-event="toolbar-add">
        <i class="layui-icon layui-icon-add-1"></i>
        新增
    </button>
    <button class="pear-btn pear-btn-sm" lay-event="toolbar-remove">
        <i class="layui-icon layui-icon-delete"></i>
        删除
    </button>
</script>
<script type="text/html" id="tool">
    <button class="pear-btn pear-btn-danger pear-btn-sm" lay-event="tool-remove">
        <i class="layui-icon layui-icon-delete"></i>
    </button>
</script>
<script>
  layui.use(['table', 'form', 'jquery', 'element', 'form', 'upload'], function() {
    let table = layui.table;
    let form = layui.form;
    let $ = layui.jquery;
    let upload = layui.upload;

    const get_columns = () => [
      [
        {
          type: 'checkbox',
        },
        {
          field: 'id',
          title: 'ID',
          sort: true,
          align: 'center',
          unresize: true,
          width: 80,
        },
        {
          field: 'name',
          title: '文件名称',
          unresize: true,
          align: 'center',
        },
        {
          field: 'href',
          title: '图片',
          unresize: true,
          align: 'center',
          templet: (d) => {
            return `<img class="tool-photo" style="max-width: 100%;height: 100%;cursor: pointer;" lay-event="photo" src="${d.href}"></i>`;
          },

        },
        {
          field: 'mime',
          title: 'mime类型',
          unresize: true,
          align: 'center',
        },
        {
          field: 'size',
          title: '文件大小',
          unresize: true,
          align: 'center',
        },
        {
          field: 'create_at',
          title: '创建时间',
          templet: (d) => `${layui.util.toDateString(d.create_at, 'yyyy-MM-dd HH:mm:ss')}`,
          unresize: true,
          align: 'center',
        },
        {
          title: '操作',
          toolbar: '#tool',
          align: 'center',
          unresize: true,
          width: 200,
        },
      ],
    ];

    table.render({
      parseData: parserTableData,  /* 服务器返回的数据格式与 layui 不一致，需要进行转化*/
      elem: '#tables',
      url: '/api/v1/file/photo',
      page: true,
      cols: get_columns(),
      skin: 'line',
      toolbar: '#toolbar',
      defaultToolbar: [
        {
          layEvent: 'refresh',
          icon: 'layui-icon-refresh',
        }, 'filter', 'print', 'exports'],
    });

    table.on('tool(tables)', function(obj) {
      if (obj.event === 'tool-remove') {
        window.remove(obj);
      } else if (obj.event === 'photo') {
        window.photo(obj);
      }
    });

    table.on('toolbar(tables)', function(obj) {
      if (obj.event === 'toolbar-add') {
        window.add();
      } else if (obj.event === 'refresh') {
        window.refresh();
      } else if (obj.event === 'toolbar-remove') {
        window.batchRemove(obj);
      }
    });

    //弹出窗设置 自己设置弹出百分比
    function screen(width, height) {
      if (typeof width !== 'number' || width === 0) {
        width = $(window).width() * 0.8;
      }
      if (typeof height !== 'number' || height === 0) {
        height = $(window).height() - 20;
      }
      return [width + 'px', height + 'px'];
    }

    window.add = function() {
      layer.open({
        type: 2,
        maxmin: true,
        title: '新增图片',
        shade: 0.1,
        area: screen(),
        content: 'file/photo/add',
      });
    };

    window.remove = function(obj) {
      layer.confirm('确定要删除该图片', {
        icon: 3,
        title: '提示',
      }, function(index) {
        layer.close(index);
        let loading = layer.load();
        $.ajax({
          url: '/api/v1/file/photo/' + obj.data['id'],
          data: {id: obj.data['id']},
          dataType: 'json',
          type: 'delete',
          success: function(res) {
            layer.close(loading);
            if (res.success) {
              layer.msg(res.message, {
                icon: 1,
                time: 1000,
              }, function() {
                obj.del();
              });
            } else {
              layer.msg(res.message, {
                icon: 2,
                time: 1000,
              });
            }
          },
        });
      });
    };

    window.batchRemove = function(obj) {
      let data = table.checkStatus(obj.config.id).data;
      if (data.length === 0) {
        layer.msg('未选中数据', {
          icon: 3,
          time: 1000,
        });
        return false;
      }
      var ids = [];
      var hasCheck = table.checkStatus('tables');
      var hasCheckData = hasCheck.data;
      if (hasCheckData.length > 0) {
        $.each(hasCheckData, function(index, element) {
          ids.push(element.id);
        });
      }
      layer.confirm('确定要删除这些图片', {
        icon: 3,
        title: '提示',
      }, function(index) {
        layer.close(index);
        let loading = layer.load();
        $.ajax({
          url: '/api/v1/file/photos',
          data: {ids: ids},
          dataType: 'json',
          type: 'POST',
          success: function(res) {
            layer.close(loading);
            if (res.success) {
              layer.msg(res.message, {
                icon: 1,
                time: 1000,
              }, function() {
                table.reload('tables');
              });
            } else {
              layer.msg(res.message, {
                icon: 2,
                time: 1000,
              });
            }
          },
        });
      });
    };

    window.refresh = function() {
      table.reload('tables');
    };
    // 查看大图
    window.photo = function(obj) {
      if (!obj.data.href || obj.data.href === '') {
        layer.msg('图片地址错误！');
        return;
      }
      var auto_img = {};
      var img = new Image();
      img.src = obj.data.href;
      img.onload = function() {
        var max_height = $(window).height() - 100;
        var max_width = $(window).width();
        var rate1 = max_height / img.height;
        var rate2 = max_width / img.width;
        var rate3 = 1;
        var rate = Math.min(rate1, rate2, rate3);
        auto_img.height = img.height * rate;
        auto_img.width = img.width * rate;
        layer.open({
          type: 1,
          title: false,
          area: ['auto'],
          skin: 'layui-layer-nobg', //没有背景色
          shadeClose: true,
          content: `<img src="${obj.data['href']}" width="${auto_img.width}px" height="${auto_img.height}px">`,
        });
      };
    };

  });
</script>
</body>
</html>
